Cutter
vtk-examples/Python/VisualizationAlgorithms/Cutter
Description¶
This example demonstrates how to use vtkCutter by cutting through a cube.
- Contributed by Jothy
Question
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Code¶
Cutter.py
#!/usr/bin/env python
# A simple script to demonstrate the vtkCutter function
# noinspection PyUnresolvedReferences
import vtkmodules.vtkInteractionStyle
# noinspection PyUnresolvedReferences
import vtkmodules.vtkRenderingOpenGL2
from vtkmodules.vtkCommonColor import vtkNamedColors
from vtkmodules.vtkCommonDataModel import vtkPlane
from vtkmodules.vtkFiltersCore import vtkCutter
from vtkmodules.vtkFiltersSources import vtkCubeSource
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkRenderWindow,
vtkRenderWindowInteractor,
vtkRenderer
)
def main():
colors = vtkNamedColors()
# Create a cube
cube = vtkCubeSource()
cube.SetXLength(40)
cube.SetYLength(30)
cube.SetZLength(20)
cubeMapper = vtkPolyDataMapper()
cubeMapper.SetInputConnection(cube.GetOutputPort())
# create a plane to cut,here it cuts in the XZ direction (xz normal=(1,0,0);XY =(0,0,1),YZ =(0,1,0)
plane = vtkPlane()
plane.SetOrigin(10, 0, 0)
plane.SetNormal(1, 0, 0)
# create cutter
cutter = vtkCutter()
cutter.SetCutFunction(plane)
cutter.SetInputConnection(cube.GetOutputPort())
cutter.Update()
cutterMapper = vtkPolyDataMapper()
cutterMapper.SetInputConnection(cutter.GetOutputPort())
# create plane actor
planeActor = vtkActor()
planeActor.GetProperty().SetColor(colors.GetColor3d('Yellow'))
planeActor.GetProperty().SetLineWidth(2)
planeActor.GetProperty().SetAmbient(1.0)
planeActor.GetProperty().SetDiffuse(0.0)
planeActor.SetMapper(cutterMapper)
# create cube actor
cubeActor = vtkActor()
cubeActor.GetProperty().SetColor(colors.GetColor3d('Aquamarine'))
cubeActor.GetProperty().SetOpacity(0.5)
cubeActor.SetMapper(cubeMapper)
# create renderers and add actors of plane and cube
ren = vtkRenderer()
ren.AddActor(planeActor)
ren.AddActor(cubeActor)
ren.SetBackground(colors.GetColor3d('Silver'))
# Add renderer to renderwindow and render
renWin = vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetSize(600, 600)
renWin.SetWindowName('Cutter')
renWin.Render()
iren = vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
camera = ren.GetActiveCamera()
camera.SetPosition(-37.2611, -86.2155, 44.841)
camera.SetFocalPoint(0.569422, -1.65124, -2.49482)
camera.SetViewUp(0.160129, 0.42663, 0.890138)
camera.SetDistance(104.033)
camera.SetClippingRange(55.2019, 165.753)
renWin.Render()
iren.Start()
if __name__ == '__main__':
main()